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Recent questions and answers in Programming and DS

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1

GATE CSE SET-1 2024
My question is that can we use command line arguments without use of main function's parameters argc and *argv?

RahulVerma3 asked in Programming in C Mar 22

33 views

6 votes

3 answers

2

ISRO2017-16
Given two statements Insertion of an element should be done at the last node of the circular list Deletion of an element should be done at the last node of the circular list Both are true Both are false First is false and second is true None of the above

Sanjana Chamarthy answered in DS Mar 20

by Sanjana Chamarthy

10.5k views

37 votes

11 answers

3

GATE CSE 2021 Set 2 | Question: 10
Consider the following $\text{ANSI C}$ program. #include <stdio.h> int main() { int arr[4][5]; int i, j; for (i=0; i<4; i++) { for (j=0; j<5; j++) { arr[i][j] = 10 * i + j; } } printf(“%d”, *(arr[1]+9)); return 0; } What is the output of the above program? $14$ $20$ $24$ $30$

Subham640 answered in Programming in C Mar 18

29.9k views

46 votes

8 answers

4

GATE CSE 2015 Set 3 | Question: 7
Consider the following C program segment. # include <stdio.h> int main() { char s1[7] = "1234", *p; p = s1 + 2; *p = '0'; printf("%s", s1); } What will be printed by the program? $12$ $120400$ $1204$ $1034$

Subham640 answered in Programming in C Mar 17

16.0k views

0 votes

0 answers

5

GATE 2024 CSE1
I have a question that can we use command line arguments without main function arguments? int main(int argc, char **argv){ }

RahulVerma3 asked in Programming in C Mar 16

99 views

1 vote

1 answer

6

DRDO CSE 2022 Paper 1 | Question: 28
If the maximum height of a binary tree is $\mathrm{N},$ then how many number of nodes will there be?

Ajay12345 answered in DS Mar 16

244 views

0 votes

1 answer

7

Gate 2017 Set 1 minimum Comparisons
Consider an array A of size 31 consisting of 0's followed by number of 1's. In order to find the smallest index i such that A[i]=1 minimum number of comparisons required in worst case by optimal algorithm?

teja1521 answered in Programming in C Mar 11

213 views

2 votes

2 answers

8

let x be an array of integer which of the following can not be present in the LHS of an assignment statement

teja1521 answered in Programming in C Mar 11

2.6k views

1 vote

3 answers

9

UGC NET CSE | December 2004 | Part 2 | Question: 22
Suppose we are implementing quadratic probing with a Hash function, Hash $(y)=X$ mode $100$. If an element with key $4594$ is inserted and the first three locations attempted are already occupied, then the next cell that will be tried is : $2$ $3$ $9$ $97$

ajayraho answered in DS Mar 11

1.6k views

1 vote

1 answer

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DRDO CSE 2022 Paper 1 | Question: 26 (b)
Provide the correct data structures for the following: Asynchronous data transfer and accessing shared resource involve _________.

mishraamulya answered in DS Mar 10

by mishraamulya

332 views

1 vote

1 answer

11

Array
Does C support fractional Indices? float x = some fraction; Is float a[x] valid declaration?

teja1521 answered in Programming in C Mar 8

138 views

1 vote

2 answers

12

UPPCL AE 2018:34
What is the output of the following $\text{C}$ program? #include<stdio.h> int main(void){ char s1[] = “Hello”; char s2[] = “World!”; s1 = s2; printf(“%s”,s1); } “World!” “HelloWorld!” “Compilation error” “Hello”

teja1521 answered in Programming in C Mar 8

380 views

2 votes

3 answers

13

Made Easy Mock -1
how does the program is working..? answer – 8

teja1521 answered in Programming in C Mar 8

405 views

6 votes

3 answers

14

GO Classes Test Series 2024 | Programming | Test 2 | Question: 21
What will be the output of the following program? #include<stdio.h> int rec(int x, int y) { static int count = 0; if (x == 0) return count; count++; if (x > y) rec(x - y, y); else rec(x, y - x); return count; } main() { int i = 10, j = 2, n; n = rec(i, j); printf("%d", n); } $4$ $5$ $6$ Infinite loop

teja1521 answered in Programming in C Mar 8

394 views

1 vote

3 answers

15

GATE CSE 2024 | Set 1 | Question: 9
Consider the following $\mathrm{C}$ program: #include <stdio.h> void fX () { void fX () ; char a; int main() { if ((a=g e t c h a r()) ! = '\n') fX}() ; fX(); return 0 ; if (a ! ... program will not terminate The program will terminate with no output The program will terminate with $4321$ as output The program will terminate with $1234$ as output

shah___ answered in Programming in C Mar 6

2.7k views

0 votes

1 answer

16

s.balaguruswami
Find the error of the following IP addresses. If the IP is valid, check its Class and determine whether the address is Unicast or Multicast. i) 237.15.2.1 ii) 256.1.8.9 iii) 114.34.2.8 iv) 255.254.0.1 v) 8.8.8.8

sanjeet24 answered in Programming in C Mar 5

87 views

2 votes

2 answers

17

find the output
include <stdio.h> int main() { int a[][3] = {1, 2, 3, 4, 5, 6}; int (*ptr)[3] = a; printf("%d %d ", (*ptr)[1], (*ptr)[2]); ++ptr; printf("%d %d\n", (*ptr)[1], (*ptr)[2]); return 0; } (a) 2 3 5 6 (b) 2 3 4 5 (c) 4 5 0 0 (d) none of the above

ritiksri8 answered in Programming in C Mar 4

5.9k views

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0 answers

18

class question self doubt
#include<stdio.h> #include<conio.h> int main(){ int a[][3]={ {4,14,24},{5,15,25},{6,16,26}}; int *p[3]; int **ptr=p; p[0]=a; p[1]=a+1; p[2]=a+2; ++*p; ++p[0]; ++**ptr; ++*p[0]; ++ptr; ++*ptr; --*p[1]; --*ptr; ++ptr; --p[ ... ("\n%d,%d,%d",a[0][2],a[1][1],a[2][0]); printf("\n%d,%d,%d",*p[0],*p[1],*p[2]); } what is the output of above program

Emankashyap asked in Programming in C Mar 1

119 views

0 votes

1 answer

19

c programming
#include <stdio.h> int main() { int i = -1; int x = (unsigned char)i; printf("%d", x); return 0; } output is 255 , but please explain how

AniMan_7 answered in Programming in C Feb 29

212 views

3 votes

2 answers

20

GATE CSE 2024 | Set 2 | Question: 3
Consider the following $\text{C}$ program. Assume parameters to a function are evaluated from right to left. #include <stdio.h> int g( int p) { printf("%d", p); return p; } int h(i nt q) { printf("%d", q) ... one of the following options is the CORRECT output of the above $\text{C}$ program? $20101020$ $10202010$ $20102010$ $10201020$

AniMan_7 answered in Programming in C Feb 28

3.2k views

69 votes

13 answers

21

GATE CSE 2017 Set 2 | Question: 55
Consider the following C program. #include<stdio.h> #include<string.h> int main() { char* c="GATECSIT2017"; char* p=c; printf("%d", (int)strlen(c+2[p]-6[p]-1)); return 0; } The output of the program is _______

B Bhatta answered in Programming in C Feb 28

27.6k views

59 votes

4 answers

22

GATE CSE 2014 Set 2 | Question: 40
Consider the following function. double f(double x){ if( abs(x*x - 3) < 0.01) return x; else return f(x/2 + 1.5/x); } Give a value $q$ (to $2$ decimals) such that $f(q)$ will return $q$:_____.

B Bhatta answered in Programming in C Feb 26

18.0k views

0 votes

1 answer

23

Linked List
How can we find the highest element in a singly linked list in O(1)? We are free to use any extra space.

꧁༒☬ĿọŗԀ 🆂🅷🅸🆅🅰☬༒꧂ answered in Programming in C Feb 26

by ꧁༒☬ĿọŗԀ 🆂🅷🅸🆅🅰☬༒꧂

142 views

1 vote

0 answers

24

I have purchased the IIIT Hyderabad 2024 test series but i can't find the test series anywhere

Khushbu Chaudhary asked in Programming in C Feb 25

by Khushbu Chaudhary

85 views

9 votes

3 answers

25

GO Classes Test Series 2024 | Programming | Test 1 | Question: 24
What will be the output of the following C program? Assume that negative numbers are represented using $2’s$ complement. #include<stdio.h> void main() { int a = 2; a = ~a+2 << 1; printf("%d",a); }

ritiksri8 answered in Programming in C Feb 25

979 views

3 votes

2 answers

26

GO Classes Test Series 2024 | Programming | Test 3 | Question: 23
What will be the output of the following lines of code? int i = 0; int j = 0; char *s = "ceded"; while (s[i] != '\0') { j = j + s[i] - 'b'; i = i + 1; } printf("%d %d\n", i, j); $5\; 11$ $4\; 16$ $5\; 16$ $4 \;11$

ritiksri8 answered in Programming in C Feb 25

281 views

6 votes

3 answers

27

GO Classes Weekly Quiz 2 | Programming in C | Propositional Logic | Question: 2
What will be output printed by the following program? #include<stdio.h> main() { int c=4; switch(c) { c=c-1; case 4: printf("IITB "); break; default: printf("IISc "); case 3: printf("IITM " ... ;); } } $\text{IITB IITM}$ $\text{IITB IISc IITM}$ $\text{IITB}$ $\text{IITB IITM IITD}$

ritiksri8 answered in Programming in C Feb 25

979 views

4 votes

3 answers

28

GO Classes Scholarship 2023 | Test | Question: 16
Consider the following declaration of variables $a$ and $b.$ int a = 1, b = 0; Which of the following is/are will evaluate to TRUE? b++ && b == a b++ && a == 0 a || b == --a a || ++b == 0

ritiksri8 answered in Programming in C Feb 25

695 views

7 votes

2 answers

29

GO Classes Test Series 2024 | Mock GATE | Test 14 | Question: 33
On a $64$-bit system, which of the following C expressions is equivalent to the C expression $(x[2]+4)[3]?$ Assume $\mathrm{x}$ is declared as $\textsf{int}\ast \ast \textsf{x}$ $\ast((*(x+16))+28)$ $\ast((*(x+2))+7)$ $\ast(((* x)+2)+7)$ $(* \ast(x+2)+7)$

teja1521 answered in Programming in C Feb 25

427 views

1 vote

2 answers

30

Pointers
Main() { char far *s1,*s2; Printf("%d%d",size of(s1),sizeof(s2)); }

ritiksri8 answered in Programming in C Feb 24

686 views

24 votes

2 answers

31

GATE CSE 2006 | Question: 77
Statement for Linked Answer Questions 76 & 77: A $3$-ary max heap is like a binary max heap, but instead of $2$ children, nodes have $3$ children. A $3$-ary heap can be represented by an array as follows: The root is stored in the first location, $a[0]$, nodes in the next level, from left to ... $10, 9, 4, 5, 7, 6, 8, 2, 1, 3$ $10, 8, 6, 9, 7, 2, 3, 4, 1, 5$

Maddy_dahiphale answered in DS Feb 22

by Maddy_dahiphale

7.4k views

7 votes

2 answers

32

Test by Bikram | Programming | Test 2 | Question: 16
What will be the output of this program ? #define square(x) x*x main() { int z; z = 25/square(5); printf("%d",z); }

ritiksri8 answered in Programming in C Feb 21

361 views

1 vote

2 answers

33

Functions and storage classes, Gate Wallah Practice Sheet,
I am getting (b) 5 ?? Can you please explain the_ int i_ in for loop and display() [MCQ] 44. Consider the following function: void display() { static int i; if(i<=printf("GATE24")) { i=i+2; display(); } } int main() { int i=0; ... ;3;i++) display(); return 0; } The number of times printf() executed is- (a) 6 (b) 5 (c) 7 (d) 9

ritiksri8 answered in Programming in C Feb 21

577 views

46 votes

5 answers

34

GATE CSE 2018 | Question: 29
#include<stdio.h> void fun1(char* s1, char* s2){ char* temp; temp = s1; s1 = s2; s2 = temp; } void fun2(char** s1, char** s2){ char* temp; temp = *s1; *s1 = *s2; *s2 = temp; } int main(){ char *str1="Hi", *str2 = "Bye"; fun1 ... of the program above is: $\text{Hi Bye Bye Hi}$ $\text{Hi Bye Hi Bye}$ $\text{Bye Hi Hi Bye}$ $\text{Bye Hi Bye Hi}$

ritiksri8 answered in Programming in C Feb 19

15.0k views

2 votes

2 answers

35

GATE CSE 2024 | Set 2 | Question: 26
What is the output of the following $\text{C}$ program? #include <stdio.h> int main() { double $a[2]=\{20.0,25.0\},{ }^{*} \mathrm{p},{ }^{*} \mathrm{q}$; $\mathrm{p}=\mathrm{a} ;$ $q=p+1 ;$ printf("%d,%d", (int) $(q-p),($ int $\left.)\left({ }^{*} q-{ }^{*} p\right)\right)$; return $0$ ; } $4,8$ $1,5$ $8,5$ $1,8$

1mohitpl answered in Programming in C Feb 18

2.5k views

0 votes

2 answers

36

GATE CSE 2024 | Set 1 | Question: 33
Consider a binary min-heap containing $105$ distinct elements. Let $k$ be the index (in the underlying array) of the maximum element stored in the heap. The number of possible values of $k$ is $53$ $52$ $27$ $1$

Swarnava Bose answered in DS Feb 18

by Swarnava Bose

1.9k views

0 votes

1 answer

37

GATE DS&AI 2024 | Question: 11
Consider performing uniform hashing on an open address hash table with load factor $\alpha=\frac{n}{m}<1$, where $n$ elements are stored in the table with $m$ slots. The expected number of probes in an unsuccessful search is at most $\frac{1}{1-\alpha}$. Inserting ... $\frac{1}{1-\alpha}$ $1+\frac{\alpha}{2}$ $\frac{1}{1+\alpha}$

liontig37 answered in DS Feb 17

690 views

0 votes

2 answers

38

GATE DS&AI 2024 | Question: 31
Consider the following Python function: def $\operatorname{fun}(D, s 1, s 2)$ : if $\mathrm{s} 1<\mathrm{s} 2$ ... both inclusive. It swaps the elements in $\mathrm{D}$ at indices $\mathrm{s} 1$ and $\mathrm{s} 2$, and leaves the remaining elements unchanged.

ankitgupta.1729 answered in Programming in Python Feb 17

by ankitgupta.1729

864 views

0 votes

1 answer

39

GATE DS&AI 2024 | Question: 28
Consider the following Python code: def count(child_dict, i): if i not in child_dict.keys(): return 1 ans $=1$ for $j$ in child_dict[i]: ans $+=$ count (child_dict, j) return ans child_dict $=$ dict () child_dict $[0]=[1,2]$ child_dict $[1]=[3,4,5]$ ... $)$ ) Which ONE of the following is the output of this code? $6$ $1$ $8$ $9$

Anmol Verma answered in Programming in Python Feb 17

792 views

1 vote

1 answer

40

GATE CSE 2024 | Set 2 | Question: 38
Let $\mathrm{S} 1$ and $\mathrm{S} 2$ be two stacks. $\mathrm{S} 1$ has capacity of $4$ elements. $\mathrm{S} 2$ has capacity of $2$ elements. $\text{S1}$ already has $4$ elements: $100,200,300$, and $400$ ... output sequences can be generated by using the above operations? $100,200,400,300$ $200,300,400,100$ $400,200,100,300$ $300,200,400,100$

Hira Thakur answered in DS Feb 17

1.7k views

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